100+ Nearsighted vision PowerPoint (PPT) Presentations, Nearsighted vision PPTs

Nearsighted vision - PowerPoint PPT Presentation

Refraction and Lens

Refraction and Lens. Refraction. Refraction: the change in direction of a wave as it crosses the boundary b/w 2 media in which a wave travels different speeds the bending of waves b/c one part of each wave is made to travel slower (or faster) than another part.

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236 views • 22 slides

Word within a word

Word within a word. Vocabulary 8B. Demi (half). demigod: half human, half god Perseus and Hercules were both well-known demigods. Retro (backward). retroactive: going backward and covering the past as well as the future

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275 views • 14 slides

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Nearsighted vision - PowerPoint PPT Presentation

Refraction and Lens

Word within a word